DTHE_P_AES_C_LENGTH_0
writel_relaxed(1, aes_base_reg + DTHE_P_AES_C_LENGTH_0);
writel_relaxed(lower_32_bits(unpadded_cryptlen), aes_base_reg + DTHE_P_AES_C_LENGTH_0);
writel_relaxed(lower_32_bits(len), aes_base_reg + DTHE_P_AES_C_LENGTH_0);